[INFO] fetching crate rufi_gradient 2.0.12...
[INFO] checking rufi_gradient-2.0.12 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate rufi_gradient 2.0.12 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate rufi_gradient 2.0.12 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rufi_gradient 2.0.12
[INFO] finished tweaking crates.io crate rufi_gradient 2.0.12
[INFO] tweaked toml for crates.io crate rufi_gradient 2.0.12 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 23 packages to latest compatible versions
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50136dcbcf04a3d9aec1b43808bdd3609416c96c24a6403e19f64cb1e555e4c7
[INFO] running `Command { std: "docker" "start" "-a" "50136dcbcf04a3d9aec1b43808bdd3609416c96c24a6403e19f64cb1e555e4c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50136dcbcf04a3d9aec1b43808bdd3609416c96c24a6403e19f64cb1e555e4c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50136dcbcf04a3d9aec1b43808bdd3609416c96c24a6403e19f64cb1e555e4c7", kill_on_drop: false }`
[INFO] [stdout] 50136dcbcf04a3d9aec1b43808bdd3609416c96c24a6403e19f64cb1e555e4c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6deaf7be350c453aab18212222d3ffc2dfe31e7e47c7357486dfc9d739d55a3d
[INFO] running `Command { std: "docker" "start" "-a" "6deaf7be350c453aab18212222d3ffc2dfe31e7e47c7357486dfc9d739d55a3d", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking serde v1.0.209
[INFO] [stderr]     Checking serde_json v1.0.127
[INFO] [stderr]     Checking rf-core v0.6.0
[INFO] [stderr]     Checking rufi_gradient v2.0.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `self_id` is never read
[INFO] [stdout]  --> tests/utils/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct DeviceState {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 9 |     pub self_id: i32,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `DeviceState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `devices` is never read
[INFO] [stdout]   --> tests/utils/mod.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Topology {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 23 |     pub devices: Vec<i32>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Topology` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> tests/test.rs:184:35
[INFO] [stdout]     |
[INFO] [stdout] 184 |         .map(|(d, s)| (d.clone(), s.exports.get(&d).unwrap().clone()))
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]     = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rufi_gradient` (test "test") due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6deaf7be350c453aab18212222d3ffc2dfe31e7e47c7357486dfc9d739d55a3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6deaf7be350c453aab18212222d3ffc2dfe31e7e47c7357486dfc9d739d55a3d", kill_on_drop: false }`
[INFO] [stdout] 6deaf7be350c453aab18212222d3ffc2dfe31e7e47c7357486dfc9d739d55a3d